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PremierPOWER

03-23-2007 12:16 PM

What Oil to use in Merc 600's

What is the absolute best oil to use in Mercruiser 600's? We use Mobil 1 in the other 3 boats (Merc 5.0, Merc 502, merc 496's)

Joe	03-23-2007 12:56 PM

TnT changes mine w/ the 25w40

Griff

03-23-2007 01:30 PM

I use Mobil1 15/50 in my 525SC and change it every 25 hours. I also just saw the walmart started carrying it in 5 qt jugs again and in looks to be the old formula before the came out with all the new "special" versions.

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